Article Dans Une Revue Computational Management Science Année : 2025

Computing XVA for American basket derivatives by machine learning techniques

Résumé

Total value adjustment (XVA) is the change in value to be added to the price of a derivative to account for the bilateral default risk and the funding costs. In this paper, we compute such a premium for American basket derivatives whose payoff depends on multiple underlyings. In particular, in our model, those underlyings are supposed to follow the multidimensional Black-Scholes stochastic model. In order to determine the XVA, we follow the approach introduced by (Burgard and Kjaer in SSRN Electronic J 7:1–19, 2010) and afterward applied by (Arregui et al. in Appl Math Comput 308:31–53, 2017), (Arregui et al. in Int J Comput Math 96:2157–2176, 2019) for the one-dimensional American derivatives. The evaluation of the XVA for basket derivatives is particularly challenging as the presence of several underlings leads to a high-dimensional control problem. We tackle such an obstacle by resorting to Gaussian Process Regression, a machine learning technique that allows one to address the curse of dimensionality effectively. Moreover, the use of numerical techniques, such as control variates, turns out to be a powerful tool to improve the accuracy of the proposed methods. The paper includes the results of several numerical experiments that confirm the goodness of the proposed methodologies.

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Dates et versions

hal-05421581 , version 1 (17-12-2025)

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Ludovic Goudenège, Andrea Molent, Antonino Zanette. Computing XVA for American basket derivatives by machine learning techniques. Computational Management Science, 2025, 22, pp.541 - 569. ⟨10.1007/s10287-025-00540-7⟩. ⟨hal-05421581⟩

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